Change Data Capture 的简单测试。

-bash-3.00$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.2.0 - Production on Wed Feb 25 09:52:15 2009

Copyright (c) 1982, 2005, Oracle. All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options

SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Prod
PL/SQL Release 10.2.0.2.0 - Production
CORE 10.2.0.2.0 Production
TNS for Solaris: Version 10.2.0.2.0 - Production
NLSRTL Version 10.2.0.2.0 - Production

SQL> create user cdcpub identified by cdcpub;

User created.

SQL> grant execute_catalog_role to cdcpub;

Grant succeeded.

SQL> grant select_catalog_role to cdcpub;

Grant succeeded.

SQL> grant create table to cdcpub;

Grant succeeded.

SQL> grant create session to cdcpub;

Grant succeeded.

SQL> grant execute on dbms_cdc_publish to cdcpub;

Grant succeeded.

SQL> show parameter java_pool_size

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
java_pool_size big integer 0
SQL> alter system set java_pool_size=48M;

System altered.

SQL> desc scott.emp
Name Null? Type
----------------------------------------- -------- ----------------------------
EMPNO NOT NULL NUMBER(4)
ENAME VARCHAR2(10)
JOB VARCHAR2(9)
MGR NUMBER(4)
HIREDATE DATE
SAL NUMBER(7,2)
COMM NUMBER(7,2)
DEPTNO NUMBER(2)

SQL> grant all on scott.emp to cdcpub;

Grant succeeded.

SQL> begin
2 dbms_cdc_publish.create_change_set(
3 change_set_name =>'emp_cs',
4 description =>'change set ',
5 change_source_name =>'SYNC_SOURCE');
6 end;
7 /

PL/SQL procedure successfully completed.

SQL> alter user cdcpub quota unlimited on users;

User altered.

SQL> begin
2 dbms_cdc_publish.create_change_table(
3 owner =>'cdcpub',
4 change_table_name=>'emp_ct',
5 change_set_name=>'emp_cs',
6 source_schema=>'scott',
7 source_table=>'emp',
8 column_type_list=>'EMPNO NUMBER(4) , ENAME VARCHAR2(10), JOB VARCHAR2(9) , MGR NUMBER(4), HIREDATE DATE , SAL NUMBER(7,2) , COMM NUMBER(7,2) , DEPTNO NUMBER(2)',
9 capture_values=>'both',
10 rs_id=>'y',
11 row_id=>'n',
12 user_id=>'n',
13 timestamp=>'n',
14 object_id=>'n',
15 source_colmap=>'y',
16 target_colmap=>'y',
17 options_string=>'tablespace users');
18 end;
19 /

PL/SQL procedure successfully completed.

SQL> desc cdcpub.emp_ct
Name Null? Type
----------------------------------------- -------- ----------------------------
OPERATION$ CHAR(2)
CSCN$ NUMBER
COMMIT_TIMESTAMP$ DATE
RSID$ NUMBER
SOURCE_COLMAP$ RAW(128)
TARGET_COLMAP$ RAW(128)
EMPNO NUMBER(4)
ENAME VARCHAR2(10)
JOB VARCHAR2(9)
MGR NUMBER(4)
HIREDATE DATE
SAL NUMBER(7,2)
COMM NUMBER(7,2)
DEPTNO NUMBER(2)

SQL>
SQL> create user cdcsub identified by cdcsub;

User created.

SQL> grant create session to cdcsub;

Grant succeeded.

SQL> grant create table to cdcsub;

Grant succeeded.

SQL> grant select on cdcpub.emp_ct to cdcsub;

Grant succeeded.

SQL> conn cdcsub/cdcsub;
Connected.
SQL> select * from all_source_tables;

SOURCE_SCHEMA_NAME SOURCE_TABLE_NAME
------------------------------ ------------------------------
SCOTT EMP

SQL> select distinct change_set_name,column_name,pub_id
2 from all_published_columns
3 where source_schema_name='SCOTT' and source_table_name='EMP';

CHANGE_SET_NAME COLUMN_NAME PUB_ID
------------------------------ ------------------------------ ----------
EMP_CS COMM 56285
EMP_CS DEPTNO 56285
EMP_CS EMPNO 56285
EMP_CS ENAME 56285
EMP_CS HIREDATE 56285
EMP_CS JOB 56285
EMP_CS MGR 56285
EMP_CS SAL 56285

8 rows selected.

SQL> begin
2 dbms_cdc_subscribe.create_subscription(
3 change_set_name=>'emp_cs',
4 description=>'change data for emp',
5 subscription_name=>'emp_sub');
6 end;
7 /

PL/SQL procedure successfully completed.

SQL> begin
2 dbms_cdc_subscribe.subscribe(
3 subscription_name=>'emp_sub',
4 source_schema=>'SCOTT',
5 source_table=>'EMP',
6 column_list=>'EMPNO , ENAME , JOB , MGR , HIREDATE , SAL , COMM , DEPTNO ',
7 subscriber_view=>'emp_view');
8 end;
9 /

SQL>desc emp_view

Name Null? Type
----------------------------------------- -------- ----------------------------
OPERATION$ CHAR(2)
CSCN$ NUMBER
COMMIT_TIMESTAMP$ DATE
RSID$ NUMBER
SOURCE_COLMAP$ RAW(128)
TARGET_COLMAP$ RAW(128)
COMM NUMBER(7,2)
DEPTNO NUMBER(2)
EMPNO NUMBER(4)
ENAME VARCHAR2(10)
HIREDATE DATE
JOB VARCHAR2(9)
MGR NUMBER(4)
SAL NUMBER(7,2)

SQL> begin
2 dbms_cdc_subscribe.activate_subscription(
3 subscription_name=>'EMP_SUB');
4 end;
5 /

PL/SQL procedure successfully completed.

SQL> begin
2 dbms_cdc_subscribe.extend_window(
3 subscription_name=>'EMP_SUB');
4 end;
5 /

PL/SQL procedure successfully completed.
SQL> conn scott/oracle
Connected.
SQL> insert into emp (empno,ename,deptno) values(6666,'Henry',10);

1 row created.

SQL> commit;

Commit complete.

SQL> conn cdcsub/cdcsub
Connected.
SQL> SELECT * FROM EMP_VIEW;

I 8.3731E+12 25-FEB-09 1
FE010000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000
FE7F0000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000
30 8888 HENRHY DBA



SQL> begin
2 dbms_cdc_subscribe.extend_window(
3 subscription_name=>'EMP_SUB');
4 end;
5 /

PL/SQL procedure successfully completed.

SQL> SELECT * FROM EMP_VIEW;

I 8.3731E+12 25-FEB-09 1
FE010000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000
FE7F0000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000
30 8888 HENRHY DBA


I 8.3731E+12 25-FEB-09 2

FE010000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000
FE7F0000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000
10 6666 Henry